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Answer:
it is accepted that cells contain DNA in chromosomes and RNA in the nucleus and cytoplasm, but only in the modern cell theory. the classical cell theory does not include this. but using either classical or modern theory, it is false that all cells have DNA surrounded by a nucleus.
Explanation:
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I believe the answer is b.
Answer:
'It allows the bacterium to produce a dormant and highly resistant cell to preserve the cell's genetic material in times of extreme stress. Endospores can survive environmental assaults that would normally kill the bacterium.'
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Answer:
The two thyroid hormones that affect the metabolic rate are thyroxine and triiodothyronine.
Explanation:
The thyroid gland is an endocrine gland, which is present below the Adam's apple, in the neck. The thyroid gland secretes two thyroid hormones and calcitonin.
The thyroid hormones, produced and secreted by the thyroid gland, influence the synthesis of proteins, metabolic rate and development. The two thyroid hormones are thyroxine and triiodothyronine.
